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- Title
Chondroitin sulfate prevents peritoneal fibrosis in mice by suppressing NF-κB activation.
- Authors
Abe, Shinichi; Obata, Yoko; Oka, Satoru; Koji, Takehiko; Nishino, Tomoya; Izumikawa, Koichi
- Abstract
Long-term peritoneal dialysis causes peritoneal fibrosis, and previous reports suggest that inflammation plays a critical role in peritoneal fibrosis. Chondroitin sulfate (CS) suppresses the inflammatory response by preventing activation of nuclear factor (NF)-κB. We examined the effect of CS on the peritoneal fibrosis induced by chlorhexidine gluconate (CG) in mice. CS or water was administered daily. We divided mice into four groups: administered vehicle and water (control); administered vehicle and CS (CS); administered CG and water (CG); and administered CG and CS (CG+CS). Morphologic changes were assessed by Masson's trichrome staining. Inflammation- and fibrosis-associated factors were assessed by immunohistochemistry. Activation of NF-κB was examined by southwestern histochemistry. CS administration suppressed the progression of submesothelial thickening. The numbers of inflammation- and fibrosis-associated factors -positive cells were significantly decreased in the CG+CS group, compared to the CG group. Based on SWH, the CG+CS group contained significantly fewer NF-κB-activated cells than the CG group. Our results indicate that CS suppresses peritoneal fibrosis via suppression of NF-κB activation. These results suggest that CS has therapeutic potential for peritoneal fibrosis.
- Subjects
FIBROSIS; CHONDROITIN sulfates; NF-kappa B; PERITONEAL dialysis; IMMUNOHISTOCHEMISTRY; LABORATORY mice; PREVENTION; THERAPEUTICS
- Publication
Medical Molecular Morphology, 2016, Vol 49, Issue 3, p144
- ISSN
1860-1480
- Publication type
Article
- DOI
10.1007/s00795-016-0133-8